Isabelle is a moderately popular girls' name in United States, ranking #166 in 2025 with 1,825 recorded births. The name reached its all-time peak in 2007 with 4,105 births ranking #79. Since 1996, the popularity has increased by 151.4%. In 2025, approximately 1 in every 881 girls born was named Isabelle. STABLE Recent data shows the name is currently stable.
Isabelle is a polished French form in the Elizabeth family with the meaning pledged to God. It feels elegant, feminine, and very refined.
The name has broad European use and remains especially admired for its balance of classic depth and stylish softness. It often appeals to parents who want something close to Isabella but a little more restrained.